Update README.md

Author: mreram

README.md

@@ -17,3 +17,39 @@ Sample usage in your activity:
              .show();
 
 
+
+## Installation
+	
+maven:
+
+```xml
+<repositories>
+   <repository>
+     <id>jitpack.io</id>
+     <url>https://jitpack.io</url>
+   </repository>
+</repositories>
+```
+	Step 2. Add the dependency
+```xml
+<dependency>
+   <groupId>com.github.mreram</groupId>
+   <artifactId>ShowCaseView</artifactId>
+   <version>1.0.0</version>
+</dependency>
+```
+gradle:
+	
+Add it in your root build.gradle at the end of repositories:
+```groovy	
+allprojects {
+	repositories {
+		...
+		maven { url 'https://jitpack.io' }
+	}
+}
+```	
+	Step 2. Add the dependency
+```groovy	
+compile 'com.github.mreram:ShowCaseView:1.0.0'
+```